Last week, our featured video discussed the value of water. Hidden infrastructure is often a factor in how people value their water utility. Distribution and collection systems and treatment plants are usually tucked out of the way, and out of sight for many people is out of mind. Sometimes though, the obscurity of the infrastructure can be its own story, as in the case of this mysterious house on Wade Avenue in Raleigh, North Carolina. See if you can guess its secret, and once you know the answer, challenge your customers to guess too!